Patent · US Active

Protective membrane and method of manufacturing same

US9493942B2 · kind B2 · utility

0Cited by

7References

9Claims

0Family size

Assignee

S.A. Imperbel N.V. · BE

Inventors

Caroline Martin · Zuun, BE
Hans Aerts · Lot, BE
Eric Bertrand · Sherbrooke, CA

Key dates

Filing date	Feb 27, 2013
Grant date	Nov 15, 2016
Priority date	—
Expiry date	Feb 27, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24397
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Protective membrane, in particular a waterproofing or noise insulation membrane, based on mineral or vegetable bitumen, comprising a membrane body, and a first and second surface situated on either side of said membrane body, where the first surface comprises cork particles, characterised in that said particles have a granulometry of between 0.5 and 3 mm, preferably between 1 and 3 mm, and have been heat treated with steam.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.